Cybersecurity Beyond the Tools: Investments,…
Our organization
Executive Leadership
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Matthieu Courtecuisse
Founder & CEO | New York
Matthieu Courtecuisse is the Founder & CEO of Sia (1999). An AI & maths engineer by training, he leads Sia's North America hub from New York. He has authored several books on economics, is active in think tanks such as the Milken Institute and the Economic Club of New York, and received the 2025 SIFMA Foundation Industry Award.
Linkedin Email contact matthieu.courtecuisse@sia-partners.com
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Sandrine Carreau
President & Chief Operating Officer | Paris
Sandrine Carreau is the President & Chief Operating Officer of Sia. After graduating from EDHEC, she joined Sia in 2012 and held various corporate roles before taking on her current position in 2024. She oversees group-wide operations, including M&A strategy.
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Alix de Guibert
Group CFO | Paris
Alix de Guibert is the Group CFO of Sia. After graduating from ESSEC, she began her career in audit, transaction services and advisory at PwC before joining the Group finance leadership at Publicis, then Vivarte. Since 2019, she oversees Sia's financial performance and strategy.
All our leaders
Use the below filters to find experts in your country or your industry.
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Cesar Moukarzel
Partner | Middle East Hub
Cesar is an Partner at Sia in the Middle East. He leads and focuses on the Government sector, as well as Strategy Development & Execution, Innovation Management, and Large Transformations.
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Charles Denis
Managing Partner, Sia Experience | Paris
Charles is Managing Partner of Sia Experience. He has been working for 15 years on digital transformation projects, particularly for energy companies.
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Charles Queriaud
Managing Director, HR & Transformation | Paris
Charles is a Managing Director in Paris within the HR & Transformation unit. With 12+ years of experience at EY and Accenture, he specializes in Digital HR and HRIS strategy. He leads large-scale transformation programs and master plans to boost HR performance and enhance the employee experience.
- HR & Organizational Effectiveness
- IT Strategy & Digital Transformation
- Business Transformation
- Consumer Goods & Retail
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Chris Harner
Engagement Director, Cybersecurity, FRM, CISSP | New York
Chris has over 20 years’ experience in risk management covering the banking and insurance sectors as both a practitioner and consultant. Chris leads Sia Partner’s Cybersecurity and Data Privacy practice in the United States.
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Chris L. Zachodzki
Managing Director | North Carolina
Chris is Managing Director based in North Carolina, specializing in strategy development, business transformation, and financial services consulting, with cross-sector experience in tackling complex operational challenges and delivering solutions that drive sustainable growth.
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Chris Peterson
Managing Director | Baltimore
Chris is a Managing Director based in Baltimore, focusing on strategic transformation, financial modeling, and market research in the life sciences and healthcare sectors, with expertise spanning cell and gene therapies, vaccines, medical devices, and digital health.
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Christelle Boileux
Associate Partner, Technology Advantage | Marseille
Christelle is an Associate Partner in Marseille within the Technology Advantage BU. With 30 years of experience at EY and Deloitte, she advises C-level executives on digital and AI-driven transformations, human capital, and change management within the regional ecosystem.
- Business Transformation
- Data & Artificial Intelligence
- IT Strategy & Digital Transformation
- HR & Organizational Effectiveness
- Organizational Change Management
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Cindy Li
Managing Director, Tech | New York
Cindy is a Managing Director in New York specializing in change management and process improvement, with deep expertise in financial crimes compliance. Most recently, she led global onboarding process enhancements for banks and as well as fincrime process design initiatives for big tech.
- Risk & Compliance
- Business Transformation
- IT Strategy & Digital Transformation
- Compliance Function: Organization and Efficiency
- Banking & Capital Markets
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Ciro Facciolla
Managing Director | Rome
Ciro Facciolla is a Managing Director in the Insurance practice, driving business-driven compliance, governance, internal control frameworks, and end-to-end operating model transformation.
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Clara Lambert
Managing Director | Lyon
Clara is based in Lyon and specializes in organizational change and transformation, with cross-sector experience in energy, transportation, banking/insurance, public sector, and retail. She helps companies orchestrate complex change initiatives to achieve sustainable performance.
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Cyril Cuenot
Partner, HR & Transformation | Paris
Cyril Cuenot is a partner in Sia Partners' HR & Transformation practice. He is also President of Nod-A, a design thinking agency and subsidiary of Sia Partners.
- HR & Organizational Effectiveness
- HRIS & Digital HR
- HR Strategy & Operating Model
- Social Engineering
- Future of Work
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Cyril Sayada
Partner | Bay Area
Partner at Sia in San Francisco, with a software engineering background. Leading offerings in Compliance, Risk Management, Legal, and Tech/Analytics. Committed to driving digital transformation and offering innovative solutions for global clients.
- Risk & Compliance
- Banking & Capital Markets
- Data & Artificial Intelligence
- Business Transformation
- Tech, Software & Platforms
- IT Strategy & Digital Transformation
- Cybersecurity & AI Trust
- Marketing & Customer Experience
